Before hitting the house, Edwards hit a light pole and a traffic control box.
在撞毁这间卧室之前，爱德华兹已经撞坏了一根路灯杆和一个交通岗亭。
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The package has the functions of modelling, system analysis, pole-placement control, optimal control, suboptimal control, LQG, selecting quadratic weighing matrices and system simulation etc.